Sole Proprietorship Tax Deadlines in Pennsylvania
Federal and state filing dates, extensions, and estimate schedules for 2026.
Pennsylvania filing deadline
Business income reported on PA-40.
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form PA-40
Estimated payments
Estimated payment dates: Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027.
Due: Apr 15, 2026
FAQ
Does Pennsylvania require Sole Proprietorship estimated payments?
Estimated payments are scheduled for Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027.
Where can I file Pennsylvania Sole Proprietorship taxes?
Use Pennsylvania Department of Revenue resources at https://www.revenue.pa.gov for forms and filing instructions.